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Hooks are one of the greatest features of WordPress — yet they are unseen by most WordPress users.

Okay, I'll admit, hooks are only available in the code — but I believe they're simple enough to be used by anyone technical enough to use a text editor and FTP.

WordPress has a really good Intro to Hooks and there are a couple of WordPress Hook databases out on the web too … but these might be a bit technical and overwhelming for many users wanting to customize their blogs.